<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <!-- 收货地址组件 -->
    <my-address></my-address>
    <view class="cart-title">
      <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action> 
     <!-- 商品列表区域 -->
      <block v-for="(goods,i) in cart" :key="i">
        <uni-swipe-action-item  :right-options="options"  @click="swiperActionClickHandler(goods)">
          <my-goods :goods="goods" showRadio="true" @radio-change ="radioChangeHandler" showNum="true" @num-change="numberChangeHandler()"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <!-- 结算区域 -->
    <my-settle></my-settle>
  </view>
  <!-- 购物车空白时 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState,mapMutations} from 'vuex'
  export default {
    computed:{
      ...mapState('m_cart',['cart']),
    },
    data() {
      return {
        options:[{
          text:"删除",//显示文本
          style:{
            backgroundColor: '#C00000'
          }
        }]
      };
    },
     mixins: [badgeMix],
     methods:{
       ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
       radioChangeHandler(e){
         this.updateGoodsState(e)
       },
       numberChangeHandler(e){
         this.updateGoodsCount(e)
       },
       swiperActionClickHandler(goods){
         this.removeGoodsById(goods.goods_id)
       }
     }
  }
</script>

<style lang="scss">
 .cart-title{
   height: 40px;
   display: flex;
   align-items: center;
   font-size: 14px;
   padding-left: 5px;
   border-bottom: 1px solid #efefef;
   .cart-title-text{
     margin-left: 10px;
   }
 }
 .cart-container{
   padding-bottom: 50px;
 }
 .empty-cart{
   display: flex;
   flex-direction: column;
   align-items: center;
   padding-top: 150px;
   .empty-img{
     width: 90px;
     height: 90px;
   }
   .tip-text{
     font-size: 12px;
     color:gray;
     margin-top: 15px;
   }
 }
</style>
